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All results from a given calculation for Be(OH)2 (Beryllium hydroxide)

using model chemistry: CCD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no C2V 1A1
1 2 yes C2 1A
1 3 no D*H 1Σg

Conformer 1 (C2V)

Jump to S1C2 S1C3
Energy calculated at CCD/6-31G*
 hartrees
Energy at 0K-166.042453
Energy at 298.15K 
HF Energy-165.634018
Nuclear repulsion energy48.734925
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CCD/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3953 3741 50.64      
2 A1 749 709 10.92      
3 A1 585 553 198.73      
4 A1 282 267 5.38      
5 A2 241i 228i 0.00      
6 B1 347 329 84.33      
7 B2 3951 3739 130.92      
8 B2 1559 1476 371.04      
9 B2 439 416 356.65      

Unscaled Zero Point Vibrational Energy (zpe) 5811.7 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 5500.8 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CCD/6-31G*
ABC
16.37838 0.22754 0.22442

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.020
O2 0.000 1.432 0.077
O3 0.000 -1.432 0.077
H4 0.000 2.049 -0.659
H5 0.000 -2.049 -0.659

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43341.43342.15872.1587
O21.43342.86460.96053.5583
O31.43342.86463.55830.9605
H42.15870.96053.55834.0980
H52.15873.55830.96054.0980

picture of Beryllium hydroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Be1 O2 H4 127.674 Be1 O3 H5 127.674
O2 Be1 O3 175.449
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1 S1C3
Energy calculated at CCD/6-31G*
 hartrees
Energy at 0K-166.043583
Energy at 298.15K-166.045074
HF Energy-165.634800
Nuclear repulsion energy48.707981
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CCD/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3930 3720 25.67      
2 A 742 703 3.38      
3 A 585 554 107.16      
4 A 304 287 58.45      
5 A 240 227 126.62      
6 B 3928 3718 138.49      
7 B 1556 1473 362.62      
8 B 579 548 402.81      
9 B 296 280 104.92      

Unscaled Zero Point Vibrational Energy (zpe) 6079.8 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 5754.6 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CCD/6-31G*
ABC
14.88121 0.22618 0.22607

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.026
O2 0.000 1.435 -0.054
O3 0.000 -1.435 -0.054
H4 0.571 1.993 0.484
H5 -0.571 -1.993 0.484

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43561.43562.13472.1347
O21.43562.87070.96203.5167
O31.43562.87073.51670.9620
H42.13470.96203.51674.1459
H52.13473.51670.96204.1459

picture of Beryllium hydroxide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Be1 O2 H4 124.648 Be1 O3 H5 124.648
O2 Be1 O3 177.763
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (D*H)

Jump to S1C1 S1C2
Energy calculated at CCD/6-31G*
 hartrees
Energy at 0K-166.037224
Energy at 298.15K 
HF Energy-165.630059
Nuclear repulsion energy49.418259
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CCD/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σg 4155 3933 0.00      
2 Σg 807 764 0.00      
3 Σu 4150 3928 441.99      
4 Σu 1677 1587 552.13      
5 Πg 339i 321i 0.00      
5 Πg 339i 321i 0.00      
6 Πu 355 336 18.90      
6 Πu 355 336 18.90      
7 Πu 343i 325i 401.26      
7 Πu 343i 325i 401.26      

Unscaled Zero Point Vibrational Energy (zpe) 5067.1 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 4796.0 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CCD/6-31G*
B
0.22862

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G*

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.000
O2 0.000 0.000 1.399
O3 0.000 0.000 -1.399
H4 0.000 0.000 2.347
H5 0.000 0.000 -2.347

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.39931.39932.34672.3467
O21.39932.79860.94753.7460
O31.39932.79863.74600.9475
H42.34670.94753.74604.6935
H52.34673.74600.94754.6935

picture of Beryllium hydroxide state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Be1 O2 H4 180.000 Be1 O3 H5 180.000
O2 Be1 O3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability